Umuheto wumunyururu
Ibisobanuro:
Urunigi, ni icyuma U gifite icyuma U gifite icyuma cya pisine cyangwa bolt hejuru yugurura, cyangwa icyuma gifatanye cyiziritse gifite uburyo bwo kurekura byihuse.
Ingoyi ni ihuriro ryibanze rihuza muburyo bwose bwa sisitemu yo kwiba, kuva mu bwato no mu mato kugeza ku nganda zikoreshwa mu nganda, kuko zemerera ibice bitandukanye byo guhuza cyangwa guhuzwa vuba.
Cotter pin ni ibyuma bidafite ingese, ibindi bice ni ibyuma bishyushye-byuma.